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No, it's not. Brainteasers are banned and have been forever (or at least since 2005). However, everyone has a different definition of what a brainteaser is. You
by gaylemcd 13y ago
No, it's not. Brainteasers are banned and have been forever (or at least since 2005). However, everyone has a different definition of what a brainteaser is. You think the Prisoner's Dilemma is a brainteaser, but other people (as you see in the comments below) do not.